Standard amenities also include air conditioning,
power locks, power windows and remote keyless entry. An AM/FM radio
with CD is standard and a premium Monsoon audio system is available.
XM Satellite Radio also is standard and includes three months of
HUMMER’s Rear Vision system and a navigation
system are available. The Rear Vision system uses a camera mounted
on the rear bumper, directly above the trailer hitch mount, to provide
a view of objects directly behind the vehicle. Also, the safety
and security of OnStar is standard, with Turn-By-Turn Navigation
and hands-free Bluetooth connectivity available.